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2012-2015 105mm ZL1 Camaro Large Supercharger Idler Pulley


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Quick Overview

2009-2015 105 mm CTSV Cadillac / ZL1 Camaro Large Supercharger Idler Pulley - Increase belt wrap and help prevent belt slip and loss of boost.


Larger UPD 105 mm Supercharger Idler Pulley with Extreme race duty bearings for 2009 & newer Cadillac CTS-V  and ZL1 Camaro. This larger 105 mm billet, high performance idler pulley is designed to replace the factory idler pulley located directly beneath and to the left of the supercharger pulley. The UPD CTS-V / ZL1 Camaro 105 mm idler will help increase belt wrap and help prevent belt slip and loss of boost on both vehicles with stock supercharger pulleys and especially with vehicles using smaller supercharger pulleys. The larger 105 mm diameter serves to increase belt wrap at the supercharger pulley, and increase tension on the supercharger belt. This pulley is an easy bolt-on solution for the supercharger belt slippage. This idler pulley is approximately 4" in diameter and 1.75" wide and is compatible with both the factory 8-rib belt used in the GM LSA/ CTS-V/ ZL1 application as well as other applications using a 10-rib belt. Kit Includes: Billet bearing cover and a stainless steel socket-head fastener to help strengthen idler and bearing mounting as well as add a clean decorative look.


  • Increase Belt Wrap
  • Decrease Belt Slippage under swift acceleration and boost
  • Made from billet aluminum and precision CNC machined

Additional Information

Make Chevrolet
Model Camaro
Year 2012,2013,2014, 2015
Engine 6.2

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